Hi,
On Thu, May 04, 2023 at 05:30:35PM +0800, Hermes Zhang wrote:
> The TS pin is used to detect the temperature and suspend the charging
> when it's voltage out of range. If the NTC is not connect in HW, the
> TS_IGNORE bit need to be set to 1 to make charge work. The new
> "ti,no-thermistor" is used to set TS_IGNORE to 1 when HW doesn't work
> with NTC.
>
> Description from datasheet:
> Battery temperature qualification voltage input. Connect a negative temperature
> coefficient thermistor (NTC). Program temperature window with a resistor divider
> from REGN to TS to GND. Charge and Boost mode suspend when TS pin voltage is
> out of range. When TS pin is not used, connect a 10-kΩ resistor from REGN to TS
> and a 10-kΩ resistor from TS to GND or set TS_IGNORE to HIGH to ignore TS pin.
> It is recommended to use a 103AT-2 thermistor.
>
> Notes:
> v2: change property name to ti,no-thermistor
>
> v3: drop "|" in property description
>
> v4: rebase bq256xx_charger.c
>
> v5: add Reviewed-by tag from Krzysztof Kozlowski
>
> Hermes Zhang (2):
> dt-bindings: power: supply: bq256xx: Add ti,no-thermistor property
> power: supply: bq256xx: Apply TS_IGNORE from devicetree
>
> .../bindings/power/supply/bq256xx.yaml | 18 ++++++++++++
> drivers/power/supply/bq256xx_charger.c | 28 +++++++++++++++++++
> 2 files changed, 46 insertions(+)
Thanks, queued.
-- Sebastian